银杏叶中氨基酸和维生素含量的分析

Analysis of amino acids and vitamins in ginkgo biloba leaves

采用HPLC法测定银杏叶中氨基酸和 10种维生素的含量。结果表明 ,每克银杏叶氨基酸总量达92 2 6mg ,其中所含的 8种人体必需氨基酸占氨基酸总量的 46 9%。维生素的含量以维生素C最高 ,维生素PP、维生素E、维生素B6及叶酸含量次之 ,每克银杏叶中分别为 81 47mg,9 43mg ,4 0 9mg ,2 90mg和 1 6 9mg。

The contents of amino acids and 10 kinds of vitamins in ginkgo biloba leaves were analyzed via HPLC. The results shows that it contains 92 26mg amino acids per gram leaves the rate of essential amino acids amount to total amino acids amount is 46 9% and the contents of Vc, Vpp, VE, VB 6, PGA is 81 47mg, 9 43mg, 4 09mg, 2 90mg, 1 69mg per gram leaves respectively. The present effective data will be helpful for further research in its chemical composition and comprehensive utilization.